#! /bin/sh

#  Copyright (c) International Business Machines  Corp., 2002
#
#  This program is free software;  you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY;  without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
#  the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program;  if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

# 12/05/02  Port to bash -Robbie Williamson <robbiew@us.ibm.com>
# 02/05/03  Modified - Manoj Iyer <manjo@mail.utexas.edu> use USCTEST macros
#           fixed bugs.
# 07/26/05  Michael Reed  <mreedltp@vnet.ibm.com>
#           Made changes to account for the replacement of syslogd 
#           with syslog-ng
#
##################################################################
# case2: Test if messages of all levels are logged.              #
#        For each level, a seperate configuration file is        #
#        created and that will be used as syslog.conf file.      #
##################################################################
#number of seconds to wait for another syslog test to complete
wait_count=60
#set -x
#configuration file for syslog or syslog-ng
CONFIG_FILE=""

#Command for syslog or syslog-ng
syslog_cmd=""

cleanup()
{
  if [ $status_flag -eq 0 ]
  then
	tst_resm TPASS "messages of all levels are logged"
  else
	tst_resm TFAIL "failed to log messages of all levels."
  fi

#Restore syslog.conf
  [ -f "$CONFIG_FILE.ltpback" ] && mv "$CONFIG_FILE.ltpback" "$CONFIG_FILE"

#Restart syslog
  [ -x "$syslog_cmd" ] && {
      tst_resm TINFO "restart $syslog_cmd"
      "$syslog_cmd" restart 2>&1 1>/dev/null
  }

  sleep 2

exit $status_flag
}

syslog_case2()
{
	RSYSLOG_CONFIG=""
	#set the trap to handle signals.
	trap '
		tst_resm TBROK "Testing is terminating due to a signal"
		status_flag=1
		cleanup
	' 1 2 3 6 11 15

	echo
	tst_resm TINFO  "syslog: Testing the messages of all levels"
       
	level_no=0
	level="emerg alert crit err warning notice info debug"
	tst_resm TINFO  "syslog: Testing whether messages are logged into log file"
	echo

#check to see if syslogd or syslog-ng exists
	if [ -e /sbin/syslogd  ]
	then
	    CONFIG_FILE="/etc/syslog.conf"
	    syslog_cmd="/etc/init.d/sysklogd"
	elif [ -e /sbin/syslog-ng ] || [ -e /usr/sbin/syslog-ng ]
        then
	    CONFIG_FILE="/etc/syslog-ng/syslog-ng.conf"
	    syslog_cmd="/etc/init.d/syslog-ng"
	elif [ -e /sbin/rsyslogd ] || [ -e /usr/sbin/rsyslogd ]
        then
	    CONFIG_FILE="/etc/rsyslog.conf"
	    syslog_cmd="/etc/init.d/rsyslog"
	    RSYSLOG_CONFIG='$ModLoad imuxsock.so'
	else
	    tst_resm TCONF "syslogd, syslog-ng or rsyslogd no such command"
	    status_flag=0
	    cleanup	
	fi
	[ -x $syslog_cmd ] || syslog_cmd="/etc/init.d/syslog"

#Back up configuration file
	if [ ! -e $CONFIG_FILE ]
	    then
	       tst_resm TBROK  "$CONFIG_FILE not found!"
	else
            #Pause if another LTP syslog test is running
	    while [ -e $CONFIG_FILE.ltpback ]  
              do
                if [ $(( wait_count-- )) -gt 0 ]
                then
                  sleep 1
                else
	          tst_resm TBROK "Another syslog test appears to be stuck,\
                                  could not run"
		  status_flag=1
		  exit $status_flag
		fi
	    done
	    cp $CONFIG_FILE $CONFIG_FILE.ltpback
	fi

         echo "Running tests"

	# check if /etc/init/syslog script exists
	if ! [ -e "$syslog_cmd" ]
	then
		tst_resm TBROK "/etc/init.d/syslog no such script"
		status_flag=1
                cleanup

	fi
	
	for current in $level
	do
		tst_resm TINFO "Doing level: $current..."


		case "$CONFIG_FILE" in
		    "/etc/syslog.conf" |\
		    "/etc/rsyslog.conf")
	     # Create the configuration file specific to this level
				echo "$RSYSLOG_CONFIG" > $CONFIG_FILE
				echo "mail.$current    /var/log/maillog" >> $CONFIG_FILE;;

		    "/etc/syslog-ng/syslog-ng.conf")
			 echo "source src{ internal(); unix-dgram(\"/dev/log\"); \
				udp(ip(\"0.0.0.0\") port(514)); };" > $CONFIG_FILE
			 echo "filter f_syslog_$current { level($current)      and \
				facility(mail); };"  >> $CONFIG_FILE
			 echo "destination syslog-$current { file(\"/var/log/maillog\");\
				};"  >> $CONFIG_FILE
			 echo "log { source(src); filter(f_syslog_$current); \
				destination(syslog-$current); };"  >> $CONFIG_FILE;;
		esac

             #Restart syslog
             $syslog_cmd restart 2>&1 1>/dev/null

		sleep 2

		# Grepping pattern is as follows:
		# syslogtst: mail $current test.
		# check if /var/log/maillog script exists
		if [ "$CONFIG_FILE" != "/etc/syslog-ng/syslog-ng.conf" ] && ! [ -e /var/log/maillog ]
		then
			tst_resm TBROK "/var/log/maillog no such log file"
			status_flag=1
	                cleanup

		fi


	# Grepping pattern has to be changed whenever the executable name
	# changes, ex: syslogtst executable.
        # This check is neccessary for syslog-ng because /var/log/maillog is
        # only created after syslogtst
        if [ -e /var/log/maillog ]; then
	   oldvalue=`grep -c "syslogtst: mail $current test." /var/log/maillog`
	else
	    oldvalue1=0
	fi

	# syslogtst has to be called with additional level argument(0-7)
		syslogtst 2 $level_no 2>/dev/null
		if [ $? -ne 0 ]; then
				status_flag=1
				return
		fi
		sleep 2

		# check if /var/log/maillog script exists
		if ! [ -e /var/log/maillog ]
		then
			tst_resm TBROK "/var/log/maillog no such log file"
			status_flag=1
	                cleanup

		fi

		newvalue=`grep -c "syslogtst: mail $current test" /var/log/maillog`
		diff=$(( $newvalue - $oldvalue ))
		if [ $diff -eq 0 ]; then
				status_flag=1
				tst_resm TINFO "***** Level $current failed *****"
		elif [ $diff -ge 1 ]; then
				tst_resm TINFO "***** Level $current passed *****"
		fi
		# Increment the level_no for next level...
		level_no=$(($level_no+1))
	done
}

export TST_TOTAL=1
export TST_COUNT=1
export TCID=$(basename $0)

RC=0
status_flag=0
tst_resm TINFO "Test if messages of all levels are logged."
tst_resm TINFO "For each level, a separate configuration file is"
tst_resm TINFO "created and that will be used as syslog.conf file."


syslog_case2
cleanup
